Career
She joined channel 13 in 1992 to anchor the morning newscast with Tom Koch. She then left in 1999 to co-anchor HomePage, an afternoon show on Microsoft and National Broadcasting Company, with Ashleigh Banfield and Mika Brzezinski. Entertainment Weekly described the trio as "the Powerpuff Girls of journalism".
Gaston left Microsoft and National Broadcasting Company in 2000.
In 2001, she returned to channel 13 to anchor and report the 6 and 10pm newscast, replacing long-time anchor Shara Fryer.